border-1px($color)
  position:relative
  &:after
  	display:block
  	position:absolute
  	left: 0
  	bottom: 0
  	border-top: 1px solid $color
  	content: ' '
  	width: 100%
border-none()
    &:after
        display: none



bg-image($url)
	background-image:url($url + "@2x.png")


